@misc{indiciae67fcc25a2b37,
  title = {Geophysically estimated porosity of selected Paleozoic rocks in the Upper Colorado River basin, Colorado, Utah, Wyoming, and Arizona},
  author = {G.A. Wetherbee and W. P. Van Liew},
  year = {1991},
  doi = {10.3133/wri904049},
  url = {https://pubs.usgs.gov/publication/wri904049},
  note = {Source identifier: wri904049}
}